Alec enters the world of K-Pop fandom in The Irrational’s Dec. 3 episode.

“Stan by Me” sees a superfan murdered, and the only suspect is the pop star the fan idolizes.

As Alec and Rose dig beneath the surface to uncover what happened he uncovers more about her past in the process.

“Stan by Me” airs Tuesday, December 3 (10:00PM – 11:00PM) on NBC.

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THE IRRATIONAL -- "Stan By Me" Episode 208 -- Pictured: Travina Springer as Kylie -- (Photo by: Sergei Bachlakov/NBC)